ABB Mechanism HMB-8.7 - Figure 8; Pilot Valve Assembly

4 November 2005
641P026-008
HMB-8 / HMB-8.7 Mechanism
©
(formerly HMB-11)
Page 30
51004 Pilot Valve (Close)
51005 Pilot Valve (Open)
51006 Changeover Valve
Figure 8
Pilot Valve Assembly
Trip
Coil
Trip
Coil
Close
Coil
High
Pressure
Access
51006
Moving
Piston
Trip
Speed
Adjust
Close
Speed
Adjust
END VIEW
SIDE VIEW
TOP VIEW
MECHANISM
BODY
51005
51005
51004
Barrel Seal
Assembly
Location of
Hand Plunger
for manual operation